Submission #908844

#	Time	Username	Problem	Language	Result	Execution time	Memory
908844		vjudge1	Pinball (JOI14_pinball)	C++17	0 / 100	1 ms	344 KiB

pinball

#include<bits/stdc++.h>
#define endl '\n'
#define mp make_pair
#define pb push_back
#define all(x) x.begin(),x.end()
#define f first
#define s second
#define fore(i,l,r) for(int i = l; i < r;i++)
#define fo(i,n) fore(i,0,n)
#define ll long long
#define ii pair<int,int>
using namespace std;
using vi = vector<int>;
vector<int> arr;
map<int,int> idx;
int cnt = 1;
int main() {
    int n;
    cin >> n;arr.pb(1);idx[1]=1;
    fore(i,2 ,n+1){
        cout << i << " ";cout.flush();
        fo(j,i){
            cout << j+1 << " ";cout.flush();
        }
        // cout << endl; cout.flush();
        int a; cin>>a;
        if(a == cnt+1){
            idx[cnt+1]=i;cnt++;arr.pb(cnt);
        }else{
            int l = 1, r= cnt;
            while(l<=r){
                int mid = (l+r)/2;
                int posmid = (idx[mid]);
                int k = (posmid-idx[l]+1);
                cout << k+1 << " ";cout.flush();
                set<int> howman;
                fo(li,k){
                    cout << li+idx[l] << " ";cout.flush();
                    howman.insert(arr[li+idx[l]-1]);
                }
                cout << i<<" ";cout.flush();
                // cout << endl; cout.flush();
                int cn;cin >> cn;
                if(cn==howman.size())r=mid-1;
                else l = mid+1;
            }
            arr.pb(l);
        }
    }
    cout << 0 << " ";cout.flush();
    fo(i,n){
        cout << arr[i] << " ";cout.flush();
    }
}

Compilation message (stderr)

pinball.cpp: In function 'int main()':
pinball.cpp:44:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |                 if(cn==howman.size())r=mid-1;
      |                    ~~^~~~~~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 18
• Subtask 3: 0 / 22
• Subtask 4: 0 / 49